Postdoctoral Position in Optoelectronics - Vcsels for Wdm Optical interconnects

Chalmers University of Technology is offering Postdoc position. This fellowship is available for all students around the world. The deadline for applying is October 31, 2018.

The Department of Microtechnology and Nanoscience focuses on research, innovation and education within the fields of future electronics, photonics, bio- and nanosystems. A close collaboration with Swedish and international partners within academia, industry and society enables scientific excellence and creates an innovative environment. In addition to the 200 researchers and PhD students, MC2 houses a cleanroom for micro- and nanofabrication with the latest equipment.

Information about the research/the project/the division

The Photonics Laboratory at the Department of Microtechnology and Nanoscience, with about 30 members, conducts application oriented research in optoelectronics and fiber optical communication. We are part of the Fiber Optic Communications Research Center (FORCE) at Chalmers. Research in optoelectronics, with an emphasis on semiconductor lasers, started at Chalmers in the early 1980's. Today we master everything from laser design and fabrication to laser characterization and system evaluation. We are among the leaders in the development of vertical-cavity surface-emitting lasers (VCSELs), which is a key component for optical interconnects: the short-reach optical links and networks used in datacenters and supercomputers. We participate in European projects and work closely with academic and industrial partners world-wide. To strengthen our efforts we will expand our team with a postdoc to work on VCSELs and silicon photonics integration for wavelength-division-multiplexed (WDM) optical interconnects.

WDM enables improvements of interconnect capacity beyond the limits of current technologies. For the short-reach VCSEL-based interconnects, this calls for the development of multi-wavelength VCSEL array technologies and integration schemes for building high-speed and high-efficiency coarse-WDM transmitters. The project deals with the development of such VCSEL technologies and integration schemes using silicon photonic platforms for multiplexing and interfacing. The project is supported by a large grant from the Swedish Research Council.

Major responsibilities

We seek a postdoc to work in a team of senior researchers, other postdocs and PhD students with complementary skills and tasks. The postdoc will actively participate in the research and development of new VCSEL technologies and integration schemes. The work is mainly experimental and involves VCSEL fabrication and evaluation at the device level as well as integration on silicon photonic platforms for WDM optical interconnects. In addition, a limited amount of efforts on laser design and modelling is expected. Your responsibility as postdoc is to lead and conduct research and to assist PhD students under your guidance. You are expected to develop your own scientific concepts and communicate the results of your research verbally and in writing.

We offer a competitive salary, excellent working conditions, and state-of-the-art infrastructures in a dynamic and international environment at the forefront of research.

Another important aspect involves collaboration within academia and with society at large. The position is meritorious for future research duties within academia as well as industry/the public sector.

Full-time temporary employment. The position is limited to a maximum of two years (1+1).


By the starting date, the highly motivated candidate should have a PhD degree in Engineering Physics, Applied Physics, Electrical Engineering, Photonics, or equivalent (the degree should generally not be older than three years). Extensive experience from optoelectronic device fabrication in a cleanroom environment and device characterization using advanced measurement equipment is required. Previous work on VCSELs is a clear merit. Solid knowledge in the areas of semiconductors, optoelectronics and photonics, as well as a good command of English, is also required.

Read more about working at Chalmers and our benefits for employees.

Application procedure

The application should be marked with Ref 20180449 and written in English. The application should be sent electronically and be attached as pdf-files, as below:

CV: (Please name the document as: CV, Surname, Ref. number) including:
- CV, include complete list of publications
- Previous teaching and pedagogical experiences
- Two references that we can contact.

Personal letter: (Please name the document as: Personal letter, Family name, Ref. number) including:
- 1-3 pages where you introduce yourself and present your qualifications.
- Previous research fields and main research results.
- Future goals and research focus. Are there any specific projects and research issues you are primarily interested in?

Other documents:
- Attested copies of completed education, grades and other certificates.

Application deadline: 31 October, 2018

For questions, please contact:

Professor Anders Larsson, Department of Microtechnology and Nanoscience, Photonics Laboratory,, +46-703-088626


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